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  1. Oxford American Dictionary

    sickle cell trait

    • IPA[ˈsikəl sel trāt]
    • n.
      a relatively mild condition caused by the presence of a single gene for sickle cell anemia, producing a smaller amount of abnormal hemoglobin and conferring some resistance to malaria.

    • noun: sickle-cell trait, plural noun: sickle-cell traits